$ git clone -n https://gitee.com/DoMouse/util-linux.git /var/lib/mock/dist-an7_9-updates-build-393493-72063/root/chroot_tmpdir/scmroot/util-linux
Cloning into '/var/lib/mock/dist-an7_9-updates-build-393493-72063/root/chroot_tmpdir/scmroot/util-linux'...
$ git fetch origin d63e857611ab315ec89239a75e90aea23613c1f2:KOJI_FETCH_HEAD
From https://gitee.com/DoMouse/util-linux
 * [new ref]         d63e857611ab315ec89239a75e90aea23613c1f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d63e857 a7: add loop device direct-io support.